bindings/pci/sifive%2Cfu740-pcie.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/sifive,fu740-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: SiFive FU740 PCIe host controller
10   SiFive FU740 PCIe host controller is based on the Synopsys DesignWare
11   PCI core. It shares common features with the PCIe DesignWare core and
13   Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml.
16   - Paul Walmsley <paul.walmsley@sifive.com>
17   - Greentime Hu <greentime.hu@sifive.com>
20   - $ref: /schemas/pci/snps,dw-pcie.yaml#
24     const: sifive,fu740-pcie
29   reg-names:
31       - const: dbi
32       - const: config
33       - const: mgmt
35   dma-coherent: true
37   num-lanes:
40   msi-parent: true
42   interrupt-names:
44       - const: msi
45       - const: inta
46       - const: intb
47       - const: intc
48       - const: intd
51     description: A phandle to the PCIe power up reset line.
57   clock-names:
60   pwren-gpios:
64   reset-gpios:
68   - dma-coherent
69   - num-lanes
70   - interrupts
71   - interrupt-names
72   - interrupt-map-mask
73   - interrupt-map
74   - clocks
75   - clock-names
76   - resets
77   - pwren-gpios
78   - reset-gpios
83   - |
85         #address-cells = <2>;
86         #size-cells = <2>;
87         #include <dt-bindings/clock/sifive-fu740-prci.h>
89         pcie@e00000000 {
90             compatible = "sifive,fu740-pcie";
91             #address-cells = <3>;
92             #size-cells = <2>;
93             #interrupt-cells = <1>;
97             reg-names = "dbi", "config", "mgmt";
99             dma-coherent;
100             bus-range = <0x0 0xff>;
105             num-lanes = <0x8>;
107             interrupt-names = "msi", "inta", "intb", "intc", "intd";
108             interrupt-parent = <&plic0>;
109             interrupt-map-mask = <0x0 0x0 0x0 0x7>;
110             interrupt-map = <0x0 0x0 0x0 0x1 &plic0 57>,
114             clock-names = "pcie_aux";
117             pwren-gpios = <&gpio 5 0>;
118             reset-gpios = <&gpio 8 0>;